William A Leaf

Biographic Data

ID6079536
NAMEWilliam A Leaf
GIVEN NAMESWilliam A
FAMILY NAMELeaf
SIGNATURELEAF W A
AFFILIATIONSBruce Simons-Morton and Jessica Hartos are with the Prevention Research Branch, Division of Epidemiology, Statistics, and Prevention Research of the National Institute of Child Health and Human Development. David Preusser and William Leaf are with the Preusser Research Group, Inc.
VERIFIEDNo
TOTAL WORKS2
TOTAL CITATIONS0
AUTHOR COUNT2
EDITOR COUNT0
FIRST PUBLICATION YEAR2005
LATEST PUBLICATION YEAR2006
H-INDEX0

  • Increasing Parent Limits on Novice Young Drivers: Cognitive Mediation of the Effect of Persuasive Messages

    Open AccessBruce G Simons‐morton, Bruce G Simons-Morton et al.ARTICLEJournal of Adolescent Research2006References: 5

    This report describes intervention effects on parent-imposed driving limits on novice young drivers at licensure. Parent-adolescent dyads (4,344) completed baseline surveys at permit and were randomly assigned to intervention or comparison groups. Intervention families received persuasive communications related to protection motivation theory variables including threat appraisal regarding high-risk adolescent driving and coping appraisal regardin…

  • Persistence of Effects of the Checkpoints Program on Parental Restrictions of Teen Driving Privileges

    Bruce G Simons‐morton, Bruce G Simons-Morton et al.ARTICLEAmerican Journal of Public Health2005References: 23

    Objectives. We describe intervention effects on parent limits on novice teenage driving. Methods. We recruited parents and their 16-year-old children (n = 469) with learner’s permits and randomized them from August 2000 to March 2003. Intervention families received persuasive newsletters related to high-risk teenage driving and a parent–teenager driving agreement; comparison families received standard information on driver safety. We conducted in…